# 1. 调整 KSM（必须 stop → set → start） 2echo 0 > /sys/kernel/mm/ksm/run 3echo 100 > /sys/kernel/mm/ksm/pages_to_scan 4echo 1000 > /sys/kernel/mm/ksm/sleep_millisecs 5echo 1 > /sys/kernel/mm/ksm/run 6

echo 0 > /sys/kernel/mm/ksm/run echo 500 > /sys/kernel/mm/ksm/pages_to_scan echo 500 > /sys/kernel/mm/ksm/sleep_millisecs echo 1 > /sys/kernel/mm/ksm/run cat /sys/kernel/mm/ksm/pages_to_scan cat /sys/kernel/mm/ksm/sleep_millisecs

7# 2. 关闭透明大页（关键！） 8echo never > /sys/kernel/mm/transparent_hugepage/enabled 9echo never > /sys/kernel/mm/transparent_hugepage/defrag 10 11# 3. （可选）永久保存 12echo 'echo 100 > /sys/kernel/mm/ksm/pages_to_scan' >> /etc/rc.local 13echo 'echo 1000 > /sys/kernel/mm/ksm/sleep_millisecs' >> /etc/rc.local 14echo 'echo never > /sys/kernel/mm/transparent_hugepage/enabled' >> /etc/rc.local 15echo 'echo never > /sys/kernel/mm/transparent_hugepage/defrag' >> /etc/rc.local 16chmod +x /etc/rc.d/rc.local